diff --git a/display/d.text/test.py b/display/d.text/test.py
index c68449ed7be..6e7fe676a65 100755
--- a/display/d.text/test.py
+++ b/display/d.text/test.py
@@ -56,8 +56,8 @@ def text(in_text):
     rotate(i * 10)
     color(colors[i % len(colors)])
     xy(
-        (80 + 10 * math.cos(i * 10 / 180 * 3.141593)),
-        (50 + 10 * 640 / 480 * math.sin(i * 10 / 180 * 3.141593)),
+        (80 + 10 * math.cos(i * 10 / 180 * math.pi)),
+        (50 + 10 * 640 / 480 * math.sin(i * 10 / 180 * math.pi)),
     )
     text(fonts[int(i % len(fonts))])
 
diff --git a/pyproject.toml b/pyproject.toml
index 64b7c033708..b4ff3583cf4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -152,7 +152,6 @@ ignore = [
     "FBT002",  # boolean-default-value-positional-argument
     "FBT003",  # boolean-positional-value-in-call
     "FURB118", # reimplemented-operator
-    "FURB152", # math-constant
     "I001",    # unsorted-imports
     "ISC003",  # explicit-string-concatenation
     "PERF203", # try-except-in-loop
@@ -354,6 +353,7 @@ ignore = [
 "gui/wxpython/web_services/widgets.py" = ["INT003"]
 "gui/wxpython/wxgui.py" = ["INT002"]
 "gui/wxpython/wxplot/profile.py" = ["NPY001"]
+"lib/imagery/testsuite/test_imagery_sigsetfile.py" = ["FURB152"]
 "lib/init/grass.py" = ["INT003"]
 "python/grass/__init__.py" = ["PYI056"]
 "python/grass/exp*/tests/grass_script_mapset_session_test.py" = ["SIM117"]